Boring or penetrating the earth – With cutting edge cover
Reexamination Certificate
2007-06-12
2007-06-12
Thompson, Kenneth (Department: 3672)
Boring or penetrating the earth
With cutting edge cover
C175S018000, C030S504000
Reexamination Certificate
active
11170689
ABSTRACT:
An ice auger covering apparatus includes a housing that has a bottom wall and a peripheral wall that is attached to and extends upwardly from the bottom wall. The housing has a break therein so that the housing includes a first portion and a second portion. The first and second portions are hingedly coupled together and biased toward each other in a closed position. A plurality of blade engaging members is provided. Each of the blade engaging members is configured to receive an edge of a bottom blade. The blade engaging members are attached to an inner surface of the peripheral wall. A pointed end of the ice auger is extendable into the housing and bottom blades of the auger engaged with the blade engaging members so that the housing covers the pointed end and the bottom blades.
REFERENCES:
patent: 1563887 (1925-12-01), Wiespetat
patent: 4132497 (1979-01-01), Weller et al.
patent: 4390212 (1983-06-01), Nitzberg
patent: 4539750 (1985-09-01), Jarvi et al.
patent: 4947943 (1990-08-01), Litwak
patent: 7021866 (2006-04-01), Keefe
patent: 03107090 (1991-05-01), None
Houg Daniel K.
Houg Mark R.
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